@charset "utf-8";
/* 导航栏 */
.dhl_nav {
  width: 100%;
  height: 60px;
  position: absolute;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1;
}

.nr_center {
  width: 1200px;
  height: 60px;
  margin: 0px auto;
  
}

#nav {
  margin: 0;
  padding: 0;
  list-style: none;
}

#nav li {
  float: left;
  display: block;
  background: none;
  position: relative;
  z-index: 999;
}

#nav li a {
  width: 106px;
  margin-left: 68px;
  font-family: "宋体";
  font-size: 20px;
  letter-spacing: 3px;
  color: #fff;
  display: block;
  font-weight: bold;
  height: 60px;
  line-height: 60px;
  text-decoration: none;
  position: relative;
  text-align: center;
  zoom: 1;
}

.er_hv::after {
  content: "";
  position: absolute;
  top: 94%;
  left: 50%;
  width: 0;
  height: 4px;
  background-color: #4d8bfb;
  opacity: 0;
  -webkit-transition: 0.32s all cubic-bezier(0.77, 0, 0.175, 1);
  -moz-transition: 0.32s all cubic-bezier(0.77, 0, 0.175, 1);
  transition: 0.32s all cubic-bezier(0.77, 0, 0.175, 1);
}

.er_hv:hover::after {
  left: 0;
  opacity: 1;
  width: 100%;
}

.er_hve::after {
  content: "";
  position: absolute;
  top: 94%;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: #4d8bfb;
  opacity: 1;
}

#nav .er_hve {
  width: 50px;
  margin-left: 48px;
}

#nav i {
  display: block;
  width: 40px;
  height: 30px;
  margin-top: 15px;
  background: url(../image/logo.png) no-repeat;
}

#nav ul {
  position: absolute;
  right: -12px;
  display: none;
  margin: 0;
  padding: 0;
  list-style: none;
  background-color: transparent;
}

#nav ul li {
  width: 130px;
  clear: both;
}

#nav ul a {
  float: right;
  display: block;
  height: 28px;
  line-height: 28px;
  background: url(../image/erbj.png) no-repeat;
  background-size: 100%;
  text-align: center;
  padding: 2px 12px;
  text-transform: uppercase;
  font-family: "宋体";
  font-size: 18px;
  font-weight: normal;
  color: #fff;
}

#nav .er_top {
  margin-top: 0;
}
/* 导航栏 */

/* 尾部 */
.footer {
  width: 100%;
  height: 72px;
  background-color: #e4e4e4;
}

.footer p {
  text-align: center;
  line-height: 72px;
  font-family: "宋体";
  font-size: 16px;
  letter-spacing: 3px;
}
/* 尾部 */
